package com.etc.homework;

import java.util.Random;

public class A {

	public int  getNumber(int n) {
		
		return new Random().nextInt(n);
	}
}


class B extends A implements IA,IB{
	
	@Override
	public int getNumber(int n) {
		Math
		return n;
	}
	
}

interface IA{
	int a;
}

abstract interface IB{
	
	
	
}